<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Document</title>
	<style>
		.box1 {
			width: 100px;
			height: 100px;
			background-color: #bfa;
			transition: 2s;
			margin: 100px auto;


			/* 变形的原点 默认值 center*/
			/* transform-origin:20px 20px;  */
		}

		.box1:hover {
			/* 
                对元素进行缩放的函数：
                    scaleX() 水平方向缩放
                    scaleY() 垂直方向缩放
                    scale() 双方向的缩放
            */
			transform: scale(2)
		}


		.img-wrapper {
			width: 200px;
			height: 200px;
			border: 1px red solid;
			overflow: hidden;
		}

		img {
			transition: .2s;
		}

		.img-wrapper:hover img {
			transform: scale(1.2);
		}
	</style>
</head>

<body>

	<div class="box1"></div>

	<div class="img-wrapper">
		<img src="an.jpg" width="100%">
	</div>


</body>

</html>